linux_dsm_epyc7002/drivers/hwtracing/intel_th/pti.h
Alexander Shishkin f77d22bc12 intel_th: pti: Support Low Power Path output port type
The Low Power Path (LPP) output port type, looks mostly like PTI to
the software, with a few additional bits in the control register.

This extends the PTI driver to support LPP ports as well.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
2017-08-25 18:47:57 +03:00

38 lines
1011 B
C

/*
* Intel(R) Trace Hub PTI output data structures
*
* Copyright (C) 2014-2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef __INTEL_TH_STH_H__
#define __INTEL_TH_STH_H__
enum {
REG_PTI_CTL = 0x1c00,
};
#define PTI_EN BIT(0)
#define PTI_FCEN BIT(1)
#define PTI_MODE 0xf0
#define LPP_PTIPRESENT BIT(8)
#define LPP_BSSBPRESENT BIT(9)
#define PTI_CLKDIV 0x000f0000
#define PTI_PATGENMODE 0x00f00000
#define LPP_DEST BIT(25)
#define LPP_BSSBACT BIT(30)
#define LPP_LPPBUSY BIT(31)
#define LPP_DEST_PTI BIT(0)
#define LPP_DEST_EXI BIT(1)
#endif /* __INTEL_TH_STH_H__ */